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Probably the coolest chick you will ever meet. Usually referred to as Sunshine. Likes to sit in dark rooms, burn incense, and listen to Enya. If you have a friend named Sonni, then you should consider yourself the luckiest girl or guy in the world. Don't ever let go of that one because life with Sonni never has a dull moment.

You may confuse her as a hippie, but don't be fooled ... she is just a free-spirited, all-around loving girl ... who happens to love tie-dye, doves, peace signs, dresses, leather sandals, and mellow music.
Person 1: Dude, I met this girl named Sonni the other day ...
Person 2: Dude, she's like my best friend ... Isn't she the coolest?
Person 3: Let's just put it this way ... There ain't no sunshine when she's away.
by sunshine_lover March 02, 2009
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sonni is a girl how will be your best est friend you'll ever . she has men lining up to date her. she will not take cred for be gorgeous.
boy1: hey sonni ur cute
sonni: no i'm ugly
by issy 1902 September 04, 2018
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